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Record history for k=15

k Primes Type Digits Year Discoverer
15 14354792166345299956567113728 43# 2n - 1, n=0..14 CC, 1st kind 47 2015 Andrey Balyakin
15 14366587870229772953764096 43# 2n - 1, n=0..14 CC, 1st kind 44 2015 Andrey Balyakin
15 27353790674175627273118204975428644651730 2n - 1, n=0..14 CC, 1st kind 43 2014 Jaroslaw Wroblewski
15 10004646546202610858599716515809907 + 0,2,6, 12,14,20,24,26,30,36,42,44,50,54,56 Tuplet 35 2012 Roger Thompson
15 28320350134887132315879689643840 2n + 1, n=0..14 CC, 2nd kind 34 2008 Jaroslaw Wroblewski
15 107173714602413868775303366934621 + 0,2,6,8,12,18,20,26,30,32,36,42,48,50,56 Tuplet 33 2008 Jens K. Andersen
15 99999999948164978600250563546400 + 11,13,17,19,23,29,31,37,41,43,47,53,59,61,67 Tuplet 32 2004 Joerg Waldvogel & Peter Leikauf
15 1251030012595955901312188450381 + 0,2,6,8,12,18,20,26,30,32,36,42,48,50,56 Tuplet 31 2003 Hans Rosenthal & Jens K. Andersen
15 999999999962618227626700812281 + 0,2,6,8,12,18,20,26,30,32,36,42,48,50,56 Tuplet 30 2000 Joerg Waldvogel & Peter Leikauf